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1-13 of 13
Keywords: compressors
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Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. January 2012, 134(1): 011006.
Published Online: January 4, 2012
..., to predict dynamic device performance as a function of error severity and as microcompressor dimensions are scaled down from the macro to micro scale. The major conclusion of this work is that since micro compressors can be made adjustable to achieve maximum compression ratio another factor besides assembly...
Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. July 2009, 131(7): 071010.
Published Online: June 25, 2009
...Weifeng Wu; Quanke Feng; Xiaoling Yu Cylindrical milling of a screw rotor groove in a single screw compressor has higher machining efficiency than turning. However, the screw groove bottom produced by the flat end of the milling cutter fails to mesh hermetically with the flat tooth tip due...
Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Technical Briefs
J. Mech. Des. July 2009, 131(7): 074505.
Published Online: June 25, 2009
...Weifeng Wu; Quanke Feng This paper introduces a new meshing pair profile envelope by multicolumn in single screw compressors. The screw groove flank of the new meshing pair is a multisegment surface, and the star-wheel tooth flank consisted of multicylindrical surfaces. When the compressor...
Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. June 2008, 130(6): 062307.
Published Online: April 16, 2008
... , given in 44 , the values of these elements are adequate to reflect such a numerical perspective. This case study features a compressor with the following characteristics: H = 2 L , V req = 200,000 mm 3 , R all = 0.02 , μ = 7 , ζ d = 0.28...
Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. April 2008, 130(4): 042601.
Published Online: March 5, 2008
...Yu-Ren Wu; Zhang-Hua Fong This paper proposes a method for designing the rotor profiles of twin-screw compressors using a rack defined in the normal plane. All tooth profile segments are explicitly defined as tangent continuous in the normal section to generate a pair of conjugated rotors...
Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. July 2006, 128(4): 864–873.
Published Online: January 18, 2006
...Apurva Kumar; Andy J. Keane; Prasanth B. Nair; Shahrokh Shahpar This paper is concerned with robust aerodynamic design of compressor blades against erosion. The proposed approach combines a multiobjective genetic algorithm with geometry modeling methods, high-fidelity computational fluid dynamics...
Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. January 2006, 128(1): 98–107.
Published Online: May 1, 2005
... model. Cost tolerance data obtained from Bjørke are used to calculate the machining cost. The asymmetric quadratic quality loss model is used to calculate quality loss caused by the deviation and the mean-shift of distributions. Tolerance allocation of a sliding vane rotary compressor is optimized...
Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Technical Briefs
J. Mech. Des. January 2006, 128(1): 137–141.
Published Online: March 30, 2005
... bearing and that applied to the compressor bearing are shown on Fig. 1 . The nondimensional character of these forces is obtained by the rotor weight. The journal bearings present vibratory problems related both to the fluid film stiffness and to swirling instabilities which are always...
Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Article
J. Mech. Des. March 2005, 127(2): 326–333.
Published Online: March 25, 2005
...Chunpeng Dou; Xinjiang Yang; Changqing Tian; Xianting Li The performance of control valve is analyzed in this paper in order to study characteristics of the variable displacement wobble plate compressor. The forces acting on the control valve are analyzed and the mathematical model to analyze its...
Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Technical Papers
J. Mech. Des. March 2002, 124(1): 74–78.
Published Online: May 1, 2000
... parameters for the twin-piece vane machine. Analysis of the influence of this ratio on the forces, friction, wear and strength of the vanes was used to optimize the thickness ratio for the twin-piece vane machine. Dynamic Behavior Vane Machine Compressor machine theory friction wear stress...
Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Technical Papers
J. Mech. Des. June 2001, 123(2): 282–288.
Published Online: October 1, 1999
...W. Zhou; J. Kim; W. Soedel In a typical computer simulation of positive displacement compressors, the mathematical equations that model the compressor process are integrated in the time domain starting from a set of assumed initial conditions. The simulation has to be continued for enough...
Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Technical Papers
J. Mech. Des. December 2001, 123(4): 583–589.
Published Online: April 1, 1999
...Yuan Mao Huang, Professor; Yung-Shane Liaw, Research Assistant The purpose of this study was to analyze the impact of blades with slots in a rotary compressor. The equations for contact forces were derived from Newton’s law. Updated moving Lagrangian descriptions with the hybrid technique...
Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Technical Papers
J. Mech. Des. December 2000, 122(4): 543–552.
Published Online: June 1, 1998
...Shyh-Haur Su, Graduate Student; Ching-Huan Tseng, Professor This paper proposes a systematic synthesis method for twin-screw rotor profiles for compressors. Both “original generating curves” and “generated curves” are distributed on each rotor profile, and all the geometric parameters...
Topics:
Rotors